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| Company Name: | IRON MOUNTAIN INCORPORATED |
| Employer identification number (EIN): | 232588479 |
| NAIC Classification: | 493100 |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-11-21 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2010-10-06 | |||||
| Date last seen: 2013-10-14 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2007-10-01 | |||||
| Date last seen: 2025-07-31 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-06-30 | |||||
| USA Location Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-07-31 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-12-03 | |||||
| 401k Sponsor USA Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2008-01-01 | |||||
| Date last seen: 2025-09-30 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2025-12-04 | |||||
| Date last seen: 2025-12-04 | |||||
The following addresses have been found in other jurisdictions:
| Jurisdiction: | Secretary of State Rhode Island | ||||
| Address: |
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| Jurisdiction Company ID: | 1318527 | ||||
| Jurisdiction Registration Date: | 2015-05-01 |
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 510 | THE IRON MOUNTAIN COMPANIES WELFARE PLAN | 2014-01-01 | 1999-10-01 |
| 001 | THE IRON MOUNTAIN COMPANIES 401(K) PLAN | 2014-01-01 | 1988-11-09 |
| 005 | THE IRON MOUNTAIN COMPANIES PUERTO RICO 401(K) PLAN | 2011-01-01 | 2006-01-08 |
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